Main Environmental Factors Affecting Sleep Quality

Exposure to artificial light at night can suppress melatonin secretion, leading to delayed sleep onset and insomnia.

Exposure to pollutants like PM2.5 and NO2 can lead to sleep apnea and other respiratory issues during sleep.

Living at high altitudes can lead to sleep disturbances due to lower oxygen levels.

High humidity can make it difficult to sleep by increasing discomfort and heat stress.

Stress from socioeconomic factors can lead to insomnia and other sleep disorders by increasing anxiety and stress levels.

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Exposure to heavy metals and pesticides can disrupt sleep patterns by affecting neurotransmitters.

Both high and low temperatures can affect sleep quality by making it difficult to fall or stay asleep.

Noise from traffic or other sources can disrupt sleep patterns, causing insomnia and daytime fatigue.

Living near green spaces can improve sleep quality by reducing stress and improving air quality.

Perceived lack of safety can lead to stress and anxiety, negatively impacting sleep quality.

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