How many hours does a seven-month-old baby sleep a day?

7 months old baby usually needs 13-15 hours of sleep a day.

During sleep, baby's body releases growth hormone, which helps body growth and repair, and also helps brain development and perfection. Some babies may sleep a little longer, while others may be a little shorter, but as long as baby's mental state is good, appetite is normal, growth and development indicators are normal, there is no need to worry too much. Baby usually has several daytime naps, which can help them recover energy, better carry out various activities and learn new skills.

To create a quiet, comfortable, dark sleep environment for baby, help them establish good sleep habits, reduce frequent waking up at night. If baby's physical discomfort, such as illness, teething, etc., may lead to unstable sleep or reduced sleep time. Parents need to pay close attention to baby's physical condition, timely deal with discomfort.

Try to arrange baby's sleep and wake up at a fixed time every day, so that baby's biological clock gradually adapts to the regular schedule.