“My child wakes up at 2am and is up for 1-2 hours!” One of us remembers very clearly the first time her daughter ended up doing this. At around 14 months, she woke up in the middle of the night and ...

Infant sleep patterns can be both puzzling and concerning for new parents. Infants spend the majority of their first months in a sleep state, though their sleep cycles are very different from adults.

UC San Diego PhD student Varun Viswanath is the paper's corresponding author. The researchers analyzed data from the Oura ring, a smart wearable that tracks temperature, sleep and other information.