According to a tiny 2017 study, participants who practised hatha yoga before engaging in a stressful activity had lower blood pressure and cortisol levels than those who watched TV.
A 2013 research found that practising yoga can help people fall asleep more quickly and sleep better overall.
Yoga may increase levels of feel-good neurotransmitters like serotonin and gamma-aminobutyric acid, which soothe and control mood, according to a 2013 systematic study.
According to a small 2015 study, elderly women who practised hatha yoga once a week for 90 minutes saw an increase in their hamstring and spine flexibility.
In a 2016 study, volunteers who practised hatha yoga for just 21 days saw improvements in their balance and strength in their core muscles.