Sleep & life

How to Sleep in Pregnancy

By Angus Munro, Clinical Psychologist (AHPRA PSY0001626434) · Last clinically reviewed 2026-07-10 · 8 min read

How to sleep in pregnancy comes down to one shift most advice misses. The aim is not to force sleep but to lower the arousal your body is already carrying, on top of an extraordinary physical job. The discomfort is real, and I am not going to pretend a checklist makes a third-trimester night feel easy. But the wakefulness that keeps you staring at the ceiling at 3am is usually less about the bump than about a mind that has started treating "I'm awake" as a problem to solve.

People ask me how to sleep in pregnancy time and again, and if you have read every tip and you are still lying there wired, this article is for you. I want to explain why sleep gets harder when you're pregnant, then point you toward the one thing that actually moves the needle. It is probably the opposite of what you have been trying.

Why sleep gets harder when you're pregnant

There are real, physical reasons sleep fragments in pregnancy. Hormones shift. You wake to use the bathroom. Reflux, restless legs, a racing heart, and the simple mechanics of finding a comfortable position all pull you out of deep sleep. None of that is in your head, and none of it is a sign you are doing something wrong.

Here is the part that gets missed. On top of those physical interruptions sits a second layer: arousal. The nervous system is already busier in pregnancy, and then a new, enormous set of worries arrives. Is the baby okay. Will I cope. How will I function tomorrow on this little sleep. Each of those thoughts is understandable. Each one also raises your internal alertness, and alertness is the true enemy of sleep.

So the picture is two problems stacked, not one. The physical discomfort wakes you. The worry about the discomfort keeps you awake. Most advice on how to sleep when you're pregnant only addresses the first layer. If you want real help to sleep when pregnant, the leverage is in this second layer, and almost nobody points you there.

The trap: trying harder to sleep makes it worse

Sleep is the one area of human life where effort makes the outcome worse, not better. You cannot try your way into it. The more you monitor, calculate, and strain toward sleep, the more alert you become, and alertness is exactly what has to drop for sleep to arrive.

It is like drinking seawater when you're thirsty. Every sip feels like it should help. Every sip makes it worse. You check the clock, you do the maths on the hours left, and the effort itself keeps you up.

Pregnancy pours fuel on this. Now there is a baby in the equation, so the stakes of a bad night feel higher, so you try harder, so you sleep less. That is not a character flaw. It is a feedback loop, and the same mechanism that built it can unwind it. But it will not unwind through more effort. It unwinds through less.

Why you can't sleep at 35 weeks pregnant

If you're searching "can't sleep at 35 weeks pregnant" at 3am, I want to say something plainly: broken sleep in the third trimester is common and expected, and it is not a sign that anything has gone wrong. Plenty of women simply can't sleep 35 weeks pregnant and beyond, and quietly assume the worst. By this point your body is large, movement is limited, comfortable positions are scarce, you are waking often, and dreams can turn vivid. Layered under all of that is the quiet hum of an approaching birth.

The mistake is to read those fragmented nights as evidence, as proof that you are now "a bad sleeper" or that you will never cope. One rough night is a rough night. It is not a pattern, and it is not a prediction. Late-pregnancy sleep is meant to be lighter, and fighting that fact only adds a layer of struggle on top of a normal physiological change.

So the goal at 35 weeks is not to engineer eight unbroken hours. It is to stop treating each waking as an emergency, so that when your body does drift, nothing is standing in the way.

What actually helps you fall asleep during pregnancy

Let me be honest about the ceiling of tips first. Reasonable conditions help: a cool, dark room, a consistent-ish wind-down, easing off screens and caffeine late in the day. This is sleep hygiene, and it matters. But hygiene is the floor, not the treatment. The major sleep-medicine guideline from the American Academy of Sleep Medicine actually recommends against sleep hygiene as a standalone therapy, because on its own it rarely shifts a real insomnia problem (Edinger et al., 2021). If you have done all the hygiene and you are still awake, you were never failing at it. It was simply never the thing that was going to fix this.

The thing that helps is the layer underneath: the arousal, and the beliefs about sleep that keep the arousal high. That is the domain of cognitive behavioural therapy for insomnia, or CBT-I, which is the first-line, evidence-based treatment for chronic insomnia in adults. Major clinical guidelines recommend it ahead of medication (Qaseem et al., 2016), and across pooled trials it produces meaningful improvements in how quickly people fall asleep and how much of the night they spend awake, with gains that hold over time (Trauer et al., 2015). One thing to hold honestly: those trials were run in the general adult population, not in pregnancy specifically, so I treat the exact numbers lightly here. But the mechanism they target, the trying and the alarm, is precisely what pregnancy amplifies.

Insomnia Reset is built on that CBT-I foundation and then adapts it for the sleep-anxiety and hyperarousal that a pregnant nervous system runs hot with. Notably, it does not ask you to keep a nightly sleep diary, because for an already vigilant mind, tracking every night tends to feed the very monitoring we are trying to switch off. The direction of the whole approach is subtractive. Not five new things to do at bedtime. Fewer. If you want a sense of where your own sleep sits, the Sleep Clarity quiz is a short, private self-check. It is not a diagnosis, just a starting point.

If you want the wider picture of how this loop works beyond pregnancy, my explainer on insomnia covers the same mechanism in general terms.

Natural remedies, sleep aids, and when to check with your GP

Search "5 natural remedies for insomnia during pregnancy" and you will find endless lists: teas, magnesium, lavender, tart cherry, and so on. I am not going to hand you another list, for two reasons. First, most herbal and supplement remedies are not well tested for safety in pregnancy, so anything you swallow, including "natural" products, is worth clearing with your GP, midwife, or pharmacist first. Second, a remedy aimed only at the body leaves the arousal loop untouched.

The same goes for any pregnancy sleep aid. Whether or not medication has a place is a genuine, individual decision, and it is one to make with your prescriber, never off an article. This is not an anti-medication piece. Medication may be appropriate for some people at some times. What I will say is that the durable gains in insomnia tend to come from addressing the pattern itself, rather than from ongoing nightly medication (Morin et al., 2009), which is one reason the psychological approach is worth taking seriously alongside any medical conversation.

A few things are worth flagging to your GP or midwife rather than sleeping around them: loud snoring or pauses in your breathing, restless crawling sensations in your legs at night, or any symptom that genuinely worries you. These are not things to self-diagnose from a blog, and getting them checked early means you spend your energy on the right tool.

Frequently asked questions

How much sleep do I need in pregnancy?

There is no fixed answer to how much sleep in pregnancy is "enough." It varies from person to person and from trimester to trimester. The common "you must get eight hours" rule is not a law, and treating it as one only adds pressure, which raises arousal, which costs you sleep. Aim for a regular pattern and decent conditions, then let your body take what it needs. Chasing a precise number tends to backfire.

How do I stay awake and function during the day?

Wanting to stay awake during pregnancy, especially at work, is a common struggle, because daytime sleepiness is normal, particularly early and late. A short early-afternoon nap is fine if you need one, but keep it brief and early so it does not push your night later. Your body clock and daytime light exposure shape when sleep arrives, and if you want to understand that timing better, see my piece on circadian rhythm. The aim is to support the night, not to borrow so heavily from it during the day that 3am gets worse.

Will not sleeping hurt my baby?

This is the fear that keeps most people awake, so let me address it directly. Broken, light, and frustrating sleep is an extremely common part of pregnancy, and your body is remarkably good at getting your baby what it needs through imperfect nights. The worry that poor sleep is harming your baby usually does more to keep you awake than the lost sleep itself. If you have specific medical concerns, your GP or midwife is the right person to reassure you properly. For the ordinary rough nights, the kindest and most effective move is to stop treating each one as a threat.

Frequently asked questions

How much sleep do I need in pregnancy?

There is no fixed answer to how much sleep in pregnancy is "enough." It varies from person to person and from trimester to trimester. The common "you must get eight hours" rule is not a law, and treating it as one only adds pressure, which raises arousal, which costs you sleep. Aim for a regular pattern and decent conditions, then let your body take what it needs. Chasing a precise number tends to backfire.

How do I stay awake and function during the day?

Wanting to stay awake during pregnancy, especially at work, is a common struggle, because daytime sleepiness is normal, particularly early and late. A short early-afternoon nap is fine if you need one, but keep it brief and early so it does not push your night later. Your body clock and daytime light exposure shape when sleep arrives, and if you want to understand that timing better, see my piece on circadian rhythm. The aim is to support the night, not to borrow so heavily from it during the day that 3am gets worse.

Will not sleeping hurt my baby?

This is the fear that keeps most people awake, so let me address it directly. Broken, light, and frustrating sleep is an extremely common part of pregnancy, and your body is remarkably good at getting your baby what it needs through imperfect nights. The worry that poor sleep is harming your baby usually does more to keep you awake than the lost sleep itself. If you have specific medical concerns, your GP or midwife is the right person to reassure you properly. For the ordinary rough nights, the kindest and most effective move is to stop treating each one as a threat.

This article is general information written by a clinical psychologist. It is not a substitute for individual assessment or treatment. If sleep problems are affecting your health or daily life, speak with your GP or a registered psychologist.
If you need support now. If sleep loss comes with thoughts of harming yourself, or you feel you can't keep yourself safe, please reach out now — in Australia, Lifeline 13 11 14 or 13YARN 13 92 76; in the US, 988; in the UK, Samaritans 116 123. If you are in immediate danger, call your local emergency number.

Work on the mechanism, not another tip

Insomnia Reset is a structured, psychologist-designed program for exactly this pattern. If you're ready to work on the mechanism rather than chase another tip, that's what it's for.

Explore Insomnia Reset →