The phrase "to sleep in" means to stay in bed longer than usual, usually until late into the morning. It is often used when someone has had a long night's rest and decides to extend their slumber by delaying getting out of bed.
Sentences with «to sleep in»
You may quickly realize that letting your baby sleep in baby gear consumes those 2 hours VERY quickly. (candokiddo.com)
For example, unless you want your puppy to get into the habit of sleeping in bed with you every night, don't do it when you first bring him home. (pawster.com)
My first couldn't sleep in bed with me until she suddenly only slept with me and then suddenly was back in her own bed. (phdinparenting.com)