Sleepiness - during the day; Hypersomnia; Somnolence
Drowsiness refers to feeling abnormally sleepy during the day. People who are drowsy may fall asleep in inappropriate situations or at inappropriate times.
Excessive daytime sleepiness (without a known cause) may be a sign of a sleep disorder.
Depression, anxiety, stress, and boredom can all contribute to excessive sleepiness. But these conditions more often cause fatigue and apathy.
Drowsiness may be due to the following:
You can relieve drowsiness by treating the cause of the problem. First, determine whether your drowsiness is due to depression, anxiety, boredom, or stress. If you are not sure, talk with your health care provider.
For drowsiness due to medicines, talk to your provider about switching or stopping your medicines. But, DO NOT stop taking or change your medicine without first talking to your provider.
Your provider will examine you to determine the cause of your drowsiness. You will be asked about your sleep patterns and health. Questions may include:
Tests that may be done include:
Treatment depends on the cause of your drowsiness.
Chokroverty S, Avidan AY. Sleep and its disorders. In: Daroff RB, Fenichel GM, Jankovic J, Mazziotta JC, eds. Bradley's Neurology in Clinical Practice. 6th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 68.
Hirshkowitz M, Sarwar A, Sharafkhaneh A. Evaluating sleepiness. In: Kryger MH, Roth T, Dement WC, eds. Principles and Practice of Sleep Medicine. 5th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 143.BACK TO TOP
Review Date: 8/29/2015
Reviewed By: Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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