IntroductionPsychedelics are substances consumed for recreational use, the majority of these psychoactive substances are illegal and hard to obtain. Therefore, there is a demand for psychedelics legal and easier to access, these types of drugs are called ‘legal highs’. LSA (lysergic acid amide) is one of these new psychoactive substances, this drug is searched because it is known to have an...
Context: This systematic review of the literature examines the published data on Sudarshan Kriya Yoga (SKY) and its effects on sleep. Aims: SKY is a rhythmic breathing technique consisting of four stages of breathing and takes approximately 30 min to complete. SKY has shown beneficial effects in anxiety reduction, well-being, stress reduction, and sleep. We performed a systematic review looking...