Study Links Five Sleep Types to Mental Health, Brain Function

A recent study from Concordia University in Montreal found five distinct sleep types, each linked to different mind and mood patterns. These sleep profiles reflect factors such as stress levels, sleep quality, and mental health symptoms.

One group, labeled “poor sleep and mental health,” reported low sleep quality and higher levels of anger, fear, or stress. They also had higher risks of anxiety and depression. Another group, called “sleep resilience,” showed signs of stress or attention issues, yet felt their sleep was fine—suggesting they misjudge their own rest.

A third profile combined sleep aid use with strong social support. These people used sleep aids but had better emotional connections, though their memory or emotional awareness lagged. A fourth group, “sleep duration and cognition,” slept fewer than six to seven hours and scored lower on thinking and emotional tests. A final group, “sleep disturbances and mental health,” experienced frequent wake-ups, temperature discomfort, or pain. They also had associations with substance use, poor cognition, and anxiety.

Researchers studied 770 healthy adults aged 22–36, using questionnaires, brain scans, and sleep history. They hope these profiles help doctors tailor treatments based on individual sleep patterns, rather than a one-size approach.

The study underscores that sleep is more than hours in bed. How you sleep—its quality, stability, and consistency—can influence your mind, mood, and long-term health.