The best sleep time of the day is from 21:00 pm to 6:00 am, and it is recommended to sleep for 6-8 hours to give the body and brain a full rest. 1, some patients with clinical sleep disorders, there are symptoms of difficulty in falling asleep, if necessary, you can take oral drugs to promote sleep, such as zolpidem tablets or zopiclone tablets, these drugs have a fast onset and short duration of action, for patients with difficulty in falling asleep. 2, clinically there are also some patients with short sleep time, you can also take the appropriate oral prolongation of sleep time drugs, such as eszopiclone, diazepam, etc.. For most people, it is recommended to sleep for 6-8 hours, and in the case of adolescents, it is recommended to extend the sleep time appropriately to facilitate the growth of the body, which needs to secrete melatonin as well as growth hormone, etc.