Why do people laugh in their sleep?

LAUGH definition and meaning laugh laugh meaning, definition, what is laugh: to make sounds with your voice, usually: Learn more laugh LAUGH BY NICO NICO นั่งยาว 8 ชม กิน 2 มื้อ ร้านสไตล์ญี่ปุ่นขายเสียงหัวเราะ : Laugh by Nico Nico ⏰ : เปิดทุกวัน 08:00

laugh laugh to make the sounds and movements of your face that show you are happy or think something is funny to laugh loudlyaloudout loud laugh (atabout