Find over 25,000 psychological definitions


initial insomnia

difficulty in falling asleep. Some people with initial insomnia become so worried about being unable to fall asleep or about the effects of loss of sleep that they cannot relax sufficiently to induce sleep. Initial insomnia may be a symptom of a major depressive episode. Also called onset insomnia; sleep-onset insomnia. Compare middle insomnia; terminal insomnia.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

May 9th 2024

Jenkins Activity Survey (JAS)

Sorry, "jenkins-activity-survey-jas" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.