Health

Aging eyes linked to sleepless nights, new study shows

A natural yellowing of the eye lens that absorbs blue light has been linked to sleep disorders in a group of test volunteers, according to a study in the September 1 issue of the journal Sleep. As this type of lens discoloration ...

Psychology & Psychiatry

Sleep disturbance highly prevalent in psoriasis patients

(HealthDay)—Sleep disturbance is highly prevalent among patients with psoriasis and is associated with pruritus, anxiety, and depression, according to a study published online Jan. 12 in the Journal of the European Academy ...

Psychology & Psychiatry

Studies find new links between sleep duration and depression

A genetic study of adult twins and a community-based study of adolescents both report novel links between sleep duration and depression. The studies are published in the Feb. 1 issue of the journal Sleep.

Genetics

Fruit flies with Restless Legs Syndrome point to a genetic cause

When flies are made to lose a gene with links to Restless Legs Syndrome (RLS), they suffer the same sleep disturbances and restlessness that human patients do. The findings reported online on May 31 in Current Biology strongly ...

Neuroscience

Afternoon slump in reward response

Activation of a reward-processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men published in The Journal of Neuroscience. This finding may parallel the drop in alertness ...

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