• Typically said by teenagers or younger children who spend the night with a friend
• “Mom, can I sleep over with Tony?” or “ Can I sleep over at Tony’s house?”
• To stay the night in someone else’s home: “If you don’t want to drive home this late at night, you’re welcome to sleep over”
• Stay overnigh: “The boy’s friends were allowed to sleep over after the birthday party”
• A sleepover, also known as a pajama party or a slumber party (or less commonly, a snoozer), is a party where a guest or guests are invited to stay overnight. They are most frequently combined with a birthday party or other special occasion.

Sleep Over Activities

Typical participant activities include

• staying up late
• talking
• eating
• playing until falling asleep, which sometimes never happens for a few high energy guests.

Sleepovers are usually held at one participant’s house, with other guests sometimes bringing their bedtime things, such as pillows or sleeping bags

Common activities include:

• playing board games 
• playing video games
• having pillow fights
• watching movies
•  ordering pizza
• eating sweets
• playing party games 
• building forts out of pillows and blankets
• for girls, having a “spa night”, in which girls polish their nails and toes and put on face masks

Sleepovers are practiced by both girls and boys

• Sometimes, sleepovers can have a theme, like dressing up as a favorite book character or a Christmas or Halloween sleepover.

What are the reason for adults to sleep over?

• affair function
• lodge occasion 
• social function
• social occasion
• relationship

See a few examples:

• someone becomes very tired or too drunk to leave the he or she went to take part in  (and might never be invited again),
• out of town relatives (you can’t wait until they leave)
• your in-laws who came to see your family and it is too late for them to go home
• relatives and friends who came to visit you from other cities, states, provinces, or countries (you wonder why wouldn’t they stay at the hotel nearby?!)
• you (and your family members have a trip to your friends and relatives at a distance far from you present location; and you do’t want to spend money on the hotel accomodation
• other reasons