November 27, 2015
font size

Definition of Hypnic

Hypnic: 1. Inducing sleep. 2. Pertaining to sleep. A hypnic jerk is a sleep start or jerk.

From the Greek hypnikos, from the Greek hypnos, sleep.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

Sleep Disorders

Get tips for better sleep.

Use Pill Finder Find it Now See Interactions

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies

Interaction Checker

  • Check potential drug interactions
Search the Medical Dictionary for Health Definitions & Medical Abbreviations