You have two different answers.

　　Does a baby sleep in the day or at night？ Let‘s read.

　　How many hours does a baby sleep a night？

　　2.问题深入，推进阅读。

　　How many hours does a baby sleep a night？

　　How about a child？ There are two questions. Read and fill in the form.

　　Who    How many hours does a baby sleep a day？    When does a baby sleep？

　　A baby    For()hours a day    In the day

　　A child    For()hours a night    At night

　　How many hours...？ We also say “how long...” Practice in pairs.

　　So baby sleeps both in the day and at night. Because they need more time to sleep.