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Day 45 of 280 · 6 weeks + 3 days

Rest as much as possible

Last reviewed · 3 min read · 4 sources · Plain-text version

The NHS's advice for this week is four words long. What sleep looks like in the first trimester, and one early night to plan.

Size this week
about the size and shape of a pea
Length this week
around 6 mm from head to bottom
An East Asian woman asleep on a sofa under a throw at dusk, her partner drawing the curtains closed behind her, one lamp on in the room.

Six weeks and three days. The NHS's first instruction for this week is four words: rest as much as possible. Today is about taking it literally.

Your baby

A single green pea resting on a fingertip, close up, soft window light.

Around 6mm long, about the size and shape of a pea (NHS). Limb buds are forming and the ears are beginning to take shape (NHS). The liver, brain and musculoskeletal system are developing, and the baby draws everything it needs from you (NHS). That last line is the reason rest is on the list.

Your body

Morning sickness and tiredness are common this week (NHS), and the NHS puts "rest as much as possible" at the top of its things to do (NHS). The good news is that most bodies cooperate: many people sleep well in the first trimester and may need more sleep than usual (MedlinePlus).

If sleep won't come, MedlinePlus suggests a 15-minute warm bath or a warm caffeine-free drink such as milk, and says short daytime naps can make up lost sleep (MedlinePlus). It also says to limit caffeinated drinks, to avoid large meals or lots of fluids within a few hours of bedtime, and to avoid exercise right before bed (MedlinePlus). Symptoms often ease after the first trimester (NHS).

Try today

  1. The early night

    Time: 5 minutes to plan, one evening to do

    1. Pick one night this week and set lights-out an hour earlier than usual. Write it where your partner can see it.

    2. Move dinner earlier that day; MedlinePlus says to avoid large meals or lots of fluids within a few hours of bedtime (MedlinePlus).

    3. Run a warm bath for 15 minutes, or warm a mug of milk (MedlinePlus).

    4. If you wake and can't settle, don't reach for anything: no sleep aids, over-the-counter or herbal, without talking to your provider first (MedlinePlus).

    Make it work:

    A nap the next afternoon is allowed. MedlinePlus says short daytime naps can make up lost sleep (MedlinePlus).

Watch for

  • Normal

    tiredness, on the NHS's list for this week (NHS).

    Call your provider

    if it tips into overwhelming tiredness; that is on the CDC's list of urgent maternal warning signs (CDC).

  • Normal

    light spotting is one of the changes the NHS names this week (NHS).

    Call your provider right away

    about any spotting if an ultrasound hasn't yet confirmed the pregnancy, because it can signal an ectopic pregnancy (MedlinePlus).

  • Normal

    more bathroom trips at night; the kidneys filter extra blood and make more urine (MedlinePlus).

    Call your provider

    before taking any sleep aid, including over-the-counter medicines and herbal products (MedlinePlus).

For you

Resting is not opting out. The NHS's own words are that the baby draws everything it needs from the mother (NHS), and MedlinePlus expects you to need more sleep than usual right now (MedlinePlus). An hour in bed earlier is doing the job, not avoiding it.

If you're the partner: the early night only happens if the evening is already done. Dishes, lunches, the dog, the bins: take them tonight without being asked, and finish them before her lights-out time, not after. The quiet is the point.

Sources

This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.

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