I believe that every student has experienced this as certain classes are so dull that it is hard to resist nodding off. It happened to me once, however I'm not sure if I dozed off or fell asleep entirely. Luckily, nobody saw
It didn't matter to me when I went to bed because I had to get up very early for school and no matter how long I slept I could still fall asleep at my deskYes I have slept many times and teachers had complained about to my parents. And my parents restricted me to play outside by 7 pm and decided 8 pm a sleeping time.