New study establishes more sleeping and memory problems and other brain functions. It’s almost like sleeping little.
Sleeping a lot is as harmful as sleeping little. The idea, but now a new study brings more details on disadvantages of sleeping more than 9 hours a day.
According to, sleep for too much time has impact (negative) on brain health – Especially in people with symptoms of depression.
Data from nearly 2,000 people without dementia were analyzed; The average age was practically from 50 years.
The main conclusion of the study shows that Sleep more than 9 hours per day it is related to a worse memory performance, executive functions and spatial and visual capabilities – That is, to be able to perceive, analyze, manipulate and represent visual information in space.
These problems were more visible in people with symptoms of depression (even if they were not taking antidepressant medications).
Among the four groups of participants (without symptoms of depression or antidepressant, with symptoms but without antidepressants, without symptoms but with antidepressants, and with symptoms and antidepressants), more problematic results they were in the second and fourth groups-that is, with symptoms of depression, regardless of some treatment.
The effects were much lower on people who take antidepressants, but have no symptoms of depression.
Overall, it summarizes, it was concluded that Sleep a lot can affect essential elements of everyday life: organization, decision making and impulses control.
One of the experts, Sudha Seshadri, warns: “Sleeping more than advisable (7am or 8am a day) is not necessarily a good sign. Especially when it comes to people with mental health problems.”
These standards can anticipate early stages of brain aging or neurodegenerative diseases.