Hundreds of millions of people all around the world are affected by Delayed Sleep Phase Syndrome (DSPS), every single day of their lives, irrespective of which age, demography or gender they belong…
Category: Delayed Sleep Phase Syndrome
Factors Affecting Sleep
Nutrition: too little/too much food near bedtime Caffeine: long half life; can affect or delay sleep Alcohol: shortens sleep onset & rebound arousal Smoking: agitation; half life 1-2 hrs, smoking close to…
Melatonin For Delayed Sleep Phase Disorder
Delayed sleep phase disorder (DSP) or syndrome (DSPS), also called phase lag syndrome, is a circadian rhythm disorder1. DSP consists of a typical sleep pattern that is delayed by two or more…
Circadian Rhythm Sleep Disorders | A Brief Review Shift Work Sleep Disorder
Shift Work Sleep Disorder: Insomnia or excessive sleepiness that occur in relation to work schedules. Adaptation rarely occurs, mainly because of resumption of full daytime activities during days off and vacations. Daytime…
Circadian Rhythm Sleep Disorders | A Brief Review Time Zone Change
Time Zone Change (Jet-Lag): Occurs after rapid travel across multiple time zones. Often good sleep alternates with poor sleep on subsequent nights. East-bound travel: Phase adjustment = 60 minutes/day West-bound travel: Phase…
Circadian Biology in Humans | Circadian Rhythms and Sleep Disorders
Polymorphisms in clock genes can be related to circadian parameters. The advanced sleep phase syndrome (ASPS) can be inherited as a single-gene point mutation. This has been verified in a large family…
Circadian Biology in Humans | Molecular Biology of Circadian Rhythms
Initial information on the generation of circadian rhythms at the molecular level was obtained from multiple studies in Drosophila species, in which expression of the genes Period (Per) and Timeless (Tim) serve…