How long do i have to wait before sleeping after wisdom teeth removal?

You don't have : To delay sleep.

Wisdom teeth: You may sleep with your head elevated and straight back but do not sleep with the gauze in. To minimize further discomfort, use ice packs and warm compresses. Take painkillers as prescribed by your dentist. Eat soft foods such as gelatin, etc. After the first day, you can rinse with warm salt water to reduce pain and swelling.