How Much Sleep Do Adults Need? A Guide for Parents

If you are reading this at 11pm with a cold cup of tea, having just finished the packed lunches, this one is for you. Most parents I coach know they are not sleeping enough. What they are less sure about is how much is actually enough, and whether there is any point trying when a toddler might wake at 3am anyway. So let’s answer the question properly: how much sleep do adults need, what does the NHS say, and what can a tired parent realistically do to protect it?

How much sleep do adults need? The NHS answer

The NHS Every Mind Matters sleep page says most healthy adults need around 7 to 9 hours of sleep a night. It also points out that the right amount varies from person to person, depending on things like age, health and routine.

Note that it does not say “exactly 8 hours”. A simple way to find your number is to notice how you feel on holiday, after the first few days, when you can wake up without an alarm. Whatever you settle into is a good guide to your natural need.

Why it matters more than you think

Poor sleep does not just make you yawn. Most of us notice that after a bad run of nights we:

• Snack more, especially on sugary or salty food
• Have a shorter fuse with the kids and our partner
• Skip workouts because we feel too drained
• Feel more anxious or low

Ongoing poor sleep can also affect your mood and how well you cope day to day. The NHS page on self-help tips to fight fatigue explains how sleep, food, activity and stress all feed into feeling tired. If you feel exhausted all the time, my post on feeling tired all the time goes into the common reasons.

The parent problem: you cannot always control the hours

If you have a baby, a toddler who wanders in at 4am, or a teenager who comes home late, you may not get 7 to 9 unbroken hours for a while. That is normal, and it is temporary. The goal is not perfection. It is to protect what you can, so the total stays as close to your need as possible over the week.

I like to think of it as a weekly sleep “budget” rather than a nightly test you pass or fail. If you aim for around 7.5 hours a night, that is roughly 52 hours a week. A rough night on Tuesday can be partly made up by an earlier night on Wednesday and a short nap at the weekend.

Five realistic ways to protect your sleep

1. Set a “lights out” time, not just a wake-up time

Most parents have a fixed wake-up time set by the kids. Very few have a fixed bedtime. Work backwards: if the kids wake you at 6.30am and you need 7.5 hours, you need to be asleep by 11pm, which means heading to bed around 10.30pm. Put a reminder on your phone for that time.

2. Stop the “revenge” scrolling

Many parents stay up late because it is the only time they get to themselves. That is completely understandable, but an extra hour on the phone at midnight usually costs more than it gives. The NHS suggests putting your phone away before bed. Try swapping the last 30 minutes of scrolling for something calmer like reading or a bath, and protect a different “me time” slot during the day instead.

3. Watch caffeine and alcohol timing

The NHS advises avoiding tea, coffee and alcohol for at least 6 hours before bed. For most of us that means the last coffee by early afternoon. Alcohol might help you nod off, but it tends to make sleep lighter and more broken later in the night.

4. Move during the day

Being active during the day helps many people sleep better. The NHS suggests mornings or early afternoons are best for exercise and recommends avoiding it within 4 hours of bedtime. If you can only train in the evening, keep it gentler and finish earlier where you can. My post on exercise and sleep explains the link in more detail.

5. Share the night shifts if you can

If you have a partner, agree who is “on” for night wakings on which nights, so each of you gets some protected sleep. Even two or three unbroken nights a week can make a real difference to how you cope.

What if you are already running on empty?

On weeks when you are badly short of sleep, I tell people to dial training down, not out. Go for a walk, do a gentle mobility session or a lighter class, and skip the all-out efforts. Hard training on very little sleep tends to feel awful and raises your risk of a sloppy rep or a tweak. I wrote a full guide on exercising when sleep-deprived if you want more on this.

When to speak to a GP

If you have had trouble sleeping for months, if you snore loudly and wake gasping, if you feel exhausted even after a full night, or if poor sleep is affecting your mood, please speak to your GP. Ongoing tiredness can have medical causes, such as anaemia or thyroid problems, and these need checking. If you are pregnant or have recently had a baby and feel low or anxious, talk to your GP or health visitor.

How classes can help

Regular activity at a set time is one of the easiest ways to anchor your week. My classes are 45 minutes, so they fit in without eating your evening, and every exercise has an easier option for the days you have slept badly. If stress is what keeps you awake, SYP Release uses pads and slam balls to get rid of some of that tension in a healthy way.

FAQs

Is 6 hours of sleep enough?

For most adults, regularly getting 6 hours is less than the 7 to 9 the NHS suggests. A few short nights will not harm you, but if it is your normal, it is worth trying to add a little more.

Can you catch up on sleep at weekends?

A lie-in or a nap can help you feel better after a rough week. But big swings in sleep timing can make Monday harder. Keep weekend wake-up times within an hour or so of your weekday ones if you can.

Are naps good or bad?

A short nap of 20 to 30 minutes, earlier in the afternoon, can help many tired parents. Long or late naps can make it harder to sleep at night.

Does sleep need change with age?

The NHS says needs vary with age and health. Many people find their sleep becomes lighter as they get older, and hormonal changes such as menopause can affect it too. Speak to your GP if it is a struggle.

Book your first class

If you want exercise that helps your energy rather than draining it, come and try SYP Bootcamp. We run 45-minute small-group classes in Archway N19, max 10 people, £15 a class, indoors and suitable for all fitness levels. Book your £15 class here or call or WhatsApp me on 07301 512215. And if you want a longer, structured plan that covers training, food and sleep together, have a look at my 1-1 transformation programme.

About the author

Artem Olekhnovych is a personal trainer in Archway and the founder of SYP Fitness and SYP Bootcamp. He has coached clients in Archway, Highgate and across North London for over 10 years, and runs small-group bootcamp classes for busy mums and dads. Read reviews from his 1-1 clients.