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 10
People use music to change, maintain and release emotional states. This note reviews meta-analyses of music and stress, studies of how people regulate mood with music, and what the evidence cannot yet say about resolution.
Research note 14
Writing about difficult experiences has small average benefits across hundreds of randomised studies, with wide variation. This note reviews the meta-analyses, what moderates the effect, and the gap between feeling relieved and benefiting.
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.