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Your body has a natural time-keeping clock known as your circadian rhythm. More light exposure affects your brain, body and hormones, helping you stay awake and telling your body when it’s time to sleep.
Caffeine has numerous benefits and is consumed by most of the UK and US population. However, when consumed late in the day, coffee stimulates your nervous system and may stop your body from naturally relaxing at night. It can significantly worsen sleep quality, especially if you drink large amounts in the late afternoon or evening.
While short power naps are beneficial, long or irregular napping during the day can negatively affect your sleep. Sleeping in the daytime can confuse your internal clock, meaning that you may struggle to sleep at night.
Downing a couple of drinks at night can negatively affect your sleep and hormones. It also alters night time melatonin production, which plays a key role in your body’s circadian rhythm.