Research note 13
Experimental sleep loss reduces positive affect and increases anxiety, and poor sleep is associated with later depression. This note reviews the meta-analyses, what they say about emotion regulation, and why sleep matters after an emotional strain.
Research note 12
Physical activity lifts positive affect for hours and, practised regularly, is associated with lower depression and anxiety in trials. This note reviews the meta-analyses, the role of intensity, and why exertion does not discharge anger.
Question 08
A single session of aerobic exercise is associated with a short-term lift in energetic mood, and structured dance programmes show medium effects in controlled trials. What that lift does not change.
Advice 12 · Meta-analytic
Moderate physical activity lifts positive affect for hours and, done regularly, is associated with fewer depressive and anxiety symptoms. Exertion does not discharge anger, so lower arousal first and keep exercise for mood.