Reducing caffeine intake in the morning led to improved wakefulness without the need for a jolt. Although caffeine can provide focused energy, limiting consumption before noon is beneficial. Contrary to popular belief, alcohol as a sleep aid disrupts the quality of sleep, reducing deep sleep and increasing awakenings. Even a single glass of alcohol can decrease sleep quality by about 10%, with each subsequent glass further deteriorating sleep. Tracking devices can help individuals conduct experiments by abstaining from caffeine and alcohol for a couple of days to observe their impact on sleep quality, highlighting the significant consequences of these substances on sleep patterns.

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