Here's what it is.
Many healthy habits can benefit the body over time. This habit helps the brain and boost the power it can provide.
Taking a 90 minute nap each day can boost brain power and increase memory over time. Taking naps is generally good for the body and gives it the rest that it needs from a long day. Taking this power nap will help the body get through the rest of the day.
A study found that taking a 90 minute nap helps memorization and brain activity throughout the rest of the day rather than getting little to no rest. This nap helps common motor functions.