Ethanol- Depressant (Alcohol)
Barbiturates are used as depressant. It is primarily causes relaxation and sleepiness. Yet, this should only be used as administered by a physician.
An ILLEGAL drug called rohypnol.
Relaxation therapy can induce sleepiness, and some individuals may fall asleep during a session.
somnolence
The causes of excessive daytime sleepiness include lacking sleep during the night and also some illnesses or their treatment. If someone is having chemotherapy this can cause sleepiness. Also if someone is not eating enough and they are starving this can cause sleepiness.
Diphenhydramine is an antihistamine for allergies. Also in high doses it is an anticolinergenic. Rohypnol is also known as the date rape drug because it is an odorless, colorless pill that disolves in water and causes the ingesting person to passout with no memory. slang name: Roofie GHB is also a daterape drug. It is odorless, colorless, tastless, and a liquid.
Diarrhea, muscle cramping, depression, anxiety, vomiting, sweating, nausea. This drug will hook you after only three weeks of us. USE CAUTION!!!!!!!!!!!! Titration hasn't worked for me.
One such drug is called Rohypnol, also known as the "date rape drug." It is a benzodiazepine that depresses the central nervous system, leading to sedation and memory loss.
ASMR is known to cause several feelings in the body. The common ones are brain tingling, relaxation, calmness and sleepiness.
Nuvigil or Armodafinil is used to treat excessive sleepiness. It's a controlled substance with possible abuse potential, but it causes wakefulness, not sleepiness as narcotics do.
The short answer is, it increases melatonin production which causes sleepiness.
Tryptophan