Nyquil Effects on Sleep
Using Nyquil as a sleep aid is known to make people drowsy and fall asleep. For some, taking Nyquil is good for sleeping between four to six hours while for others sleep lasts between seven to eight hours.
Also Know, can I take NyQuil to sleep if Im not sick? NyQuil is not a cure for insomnia and it should not be used just to fall asleep. Once someone is unable to sleep without NyQuil, even when they’re not sick, they have become dependent on NyQuil.
If you are taking NyQuil™ LiquiCaps™, you can take two LiquiCaps™ with water every 6-8 hours. If you are taking NyQuil™ Liquid, you can take 30 mL every 6 hours.
A: You can take ZzzQuil in the middle of the night if you‘ll still have time to get a sufficient night’s sleep (about 7 to 8 hours).