seasonal affective disorder

n. Abbr. SAD

A mood disorder in which abnormal moods occur in a regular seasonal pattern, such as depression during the short days of winter. It is sometimes classified as a specific subtype of major depressive disorder or bipolar disorder.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

seasonal affective disorder

(Psychology) a state of depression sometimes experienced by people in winter, thought to be related to lack of sunlight. Abbreviation: SAD

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sea′sonal affec′tive disor′der

recurrent winter depression characterized by oversleeping, overeating, and irritability and relieved by the arrival of spring or by light therapy. Abbr.: SAD

[1980–85]

seasonal affective disorder

(SAD) A condition resulting from changes in the body’s level of the hormone melatonin. The level varies seasonally: it is higher in winter and lower in summer, when increased daylight inhibits its production. Symptoms include tiredness and depression.

Translations

dépression hivernale

Mentioned in

References in periodicals archive

Seasonal affective disorder is a type of depression that comes around the same time each year, usually beginning in autumn and ending in spring.

Seasonal affective disorder: It's more than winter blues

Personality and seasonal affective disorder: results from the CAN-SAD study.

Buffering Role of Coping Strategies in the Relationship between Seasonality and Winter Depression in High and Low Altitudes of Pakistan

Whether you suffer from Seasonal Affective Disorder or your energy levels have simply dipped, these tips from Silentnight's sleep expert Dr Nerina Ramlakhan will help protect both your mood and your sleep.

Sleep expert reveals how to beat the blues during the colder months; Whether you suffer from Seasonal Affective Disorder or your energy levels have simply dipped, these tips could help

-These bouts of depression can manifest as episodes classified as Seasonal Affective Disorder (SAD), or a series of symptoms known as the winter blues, thought to be triggered by deficiencies in light and Vitamin D exposure, and the consequential impacts on people's ability to absorb serotonin, according to NYC-based psychotherapist, Katherine Schafler.

Ways to fight the SAD blues

But there are a lot of seasonal affective disorder (SAD) lamps around me.

Blue and white light for seasonal affective disorder

Winter depression, known as Seasonal Affective Disorder (SAD) - is believed to affect up to one in 15 British people every year between September and April, with more suffering from a milder form of the condition, called the winter blues.

Campaign to beat winter blues with a good read

KidsHealth claims there are two chemical irregularities which contribute to seasonal affective disorder.

Spotting the signs of seasonal affective disorder

LACK of daily sunlight can cause lethargy and depression which may develop into seasonal affective disorder. Charity Mental Health Research UK found three in 10 adults rise before sunrise during winter and return home after dark.

Health news; Health Health

Going without daily sunlight can lead to feelings of lethargy and depression which may develop into seasonal affective disorder (SAD), Mental Health Research UK (MHRUK) said.

One in 10 get no sunlight at work