A 20-minute wind-down for ages 2 to 5 that ends in a book, not a screen

Seven forty. The overhead light in the hall goes off and the lamp on the landing comes on at half. That is the whole signal, at home, that the day is over, and it is the one step I would keep if I had to drop every other part of bedtime. Not the bath. Not the song. The light. A two-year-old cannot read a clock, but they can tell that the house has changed, and the house changing at the same minute every evening is most of what a bedtime routine is.

Twenty minutes is where the routine settled, across the children I have read to and the books I have made for that slot. Shorter than that and the child is still running when the book opens. Longer and I start improvising to fill the time, and a small child hears improvising as an opening. Here is the version that holds, minute by minute, and then the reason the order does more work than the length.

What does a 20-minute wind-down actually look like, minute by minute?

The table counts down to lights-off. The screen is not in it. It went off earlier, and I will come back to where.

The times are rough and the words are not. The words are the part a child holds onto. "Lights are going down" has meant the same thing for as long as I have been saying it, and it still gets a small groan and then compliance, because the groan is part of the routine too.

Two things took me a while to learn. The bath is short and dull on purpose. A long bath with pouring cups and a boat is play, and play wakes a child up. A warm wash and out is a transition. And the book comes from a shelf of five or six slow ones, not the whole bookcase. Choice is good. Unlimited choice at eight minutes to go is a negotiation, and a negotiation is not a wind-down.

The book at the end has to be a slow one, or the last seven minutes undo the first thirteen. Hush, Little Hill was written for exactly this slot: one rhythm, sway and hush, repeated a little slower on every page, with breathe-in and breathe-out cues printed along the way, so the reading itself does the last of the slowing.

Why does the order matter more than how long it takes?

Because a routine is a sequence, not a duration, and a child learns sequences long before they can feel durations. Nobody at three can feel twenty minutes. Everybody at three can feel that teeth come after pyjamas and the book comes after teeth, and that the book is the last thing. When the sequence is the same, the end is predictable, and a predictable end is what lets a child stop fighting it.

The NHS page on sleep and young children says it plainly: "Make sure you have a calming, predictable bedtime routine that happens at the same time and includes the same things every night." Same things, same order. It does not say long. The same page suggests starting "a 'winding down' bedtime routine around 30 minutes before the time that your child usually falls asleep", which is a little longer than mine. I run twenty because I would rather do a short routine the same way every night than a longer one I end up padding. Padding is where "one more" gets in.

The American Academy of Pediatrics compresses the whole thing into three words: "For young children, it helps to start early with a bedtime routine such as brush, book, bed." That is an order, not a schedule. Brush, then book, then bed. My table is those three words with a wash and a lighting change put in front of them.

A child cannot feel twenty minutes. A child can feel that the book is the last thing.

The reason the book goes last, rather than the bath or a song, is that a book is the only step where the child is already lying down and still while something is still happening. A bath ends with getting out. A song ends with the adult leaving. A slow book ends with the child in position, quiet, listening, and the closing of the cover is the goodnight. Nothing has to happen after it. That is why I would not put a screen in that slot even if the screen showed the same story.

Where does the screen go off, and why not just before the book?

Earlier than feels necessary. The NHS is specific: "Do not let your child look at laptops, tablets or phones in the 30 to 60 minutes before bed – the light from screens can interfere with sleep." The AAP goes to the top of that range: "To prevent sleep disruption, turn off all screens at least 60 minutes/1 hour before bedtime." And on the room itself: "The AAP recommends keeping all screens—TVs, computers, laptops, tablets and phones out of children's bedrooms, especially at night."

So at home the tablet goes off at least forty minutes before lights-off, which is twenty minutes before the routine even starts, and it never comes into the bedroom. The routine begins with the lights going down, not with a screen being switched off, because I want the first step of bedtime to be something the child watches the house do, not something taken away from them. Screen off, then a gap of ordinary play on the floor, then "lights are going down". The gap is what stops the routine from opening with a protest.

The honest part is that the twenty minutes is the easy bit. The hard part is the forty minutes before it, when it would be simpler to hand over the tablet while dinner gets cleared. I am writing this as someone who has noticed that the nights the tablet goes late are the nights the book takes three reads.

None of the steps are clever. Lights, wash, teeth, book, the same sentence. The routine works not because any part of it is good but because the child can see the end of it from the beginning, and the book is where the end lives.

Sources

• Sleep and young children · NHS
• Healthy Sleep Habits: How Many Hours Does Your Child Need? · American Academy of Pediatrics, HealthyChildren.org