Advice

Babies startle at loud, sudden noises. How to prepare for New Year's Eve, protect your baby's hearing and comfort your baby if the fireworks wake them.

Wake window charts by age are everywhere, but the Dutch youth health service says there is no known evidence-based data behind them. What does help: recognising the signs of tiredness, according to Kind en Gezin, ONE and NJi.

Predictive Sleep uses your baby's sleep data and age to recommend the next appropriate sleep window. What the feature does, where to find it in the app and why your baby still has the final say.

Teething can disturb sleep for a while, and so can new skills, separation anxiety or a change at home. What to look out for and when to see a doctor, according to Kind en Gezin, ONE and NJi.

The right size, the sensor on the outside of the foot, switching feet at least every 8 hours and checking the skin regularly: how to fit the Dream Sock, according to Owlet's European instructions for use.

The Dream Sock base station speaks in colours. What a red, yellow, blue or lavender notification means, what to do and how to silence a notification, according to Owlet's European instructions for use.