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However, due to the limited number of conducted studies, more conclusions must be declared with precaution

You can also increase levels of NAD through lifestyle factors like getting regular exercise and restful sleep, as well as eating a healthy diet with foods containing niacin (vitamin B) found in meat, fish, dairy products, and certain vegetables, such as cabbage and cucumbers

The best human sleep studies on DSIP date from the 1980s and 1990s, with sample sizes typically under 20 subjects and no modern RCT replication, placing overall evidence confidence at Low to Very Low

Ive noticed in a lot of YouTube videos that cover this topic that commenters get frustrated when they follow tips without first understanding why theyre being told to change each setting