methamphetamine. people have been known to go up to 14 days without sleeping on that stuff
the person who talks in ones sleep is a Somniloquy.
The better drugs are the ones chosen by you and your doctor.
Drugs.
the ones that kill you
Well drugs range from bad (addictive ones) to essential medical ones.
good ones ;)
illeagal ones
the right ones can
If you mean which categories on this website, the best ones to check would be Medication and Drugs and Sleep Disorders. I've put this question under those categories, so just click on the links.
Stress, alcoholic drugs, and sleep deprivation.
Tranquilizers
depressants. Sleep medications alcohol