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Sleep deprivation timeline
There isn’t a universal timeline for sleep deprivation.

However, the general stages are determined by how many hours of sleep you’ve missed. The symptoms of sleep deprivation tend to get worse in each stage.

Here’s what might happen to your body during sleep deprivation:

Stage 1: After 24 hours
It’s common to miss 24 hours of sleep. It won’t cause major health problems, but you can expect to feel tired and “off.”

According to the Centers for Disease Control and Prevention (CDC), 24-hour sleep deprivation is the same as having a blood alcohol concentration of 0.10 percent. That’s higher than the limit to legally drive.

Staying awake for 24 hours may cause symptoms like:

drowsiness
irritability
anger
increased risk of stress
decreased alertness
impaired concentration
brain fog
fatigue
tremors
reduced coordination
increased risk of mistakes or accidents
food cravings
puffy eyes
dark undereye circles