You’re as quick as lightning – which is impressive with so many busy days and late nights around Christmas! You must be well-rested because your reactions are as quick as Usain Bolt at Rio 2016. How well you sleep has a bearing on how alert you are, and your ability to react quickly and make decisions.

You’ve just taken a version of a psychomotor vigilance task. They’re a tool used by psychologists to show how a lack of sleep affects alertness.* Luckily, you’re sharp and ready for anything!

Less than six hours sleep is a really bad thing for your reactions. In the same way your body gets tired after a heavy day, affecting your ability to perform, if your brain hasn’t had the rest it needs it’s not able to make the mark.

Sometimes, a bad night’s sleep affects your reactions more than drinking. One study found sleep apnea sufferers were slower to react than participants with blood alcohol levels of 0.08 (approximately two or three drinks and the same as the UK drink-drive limit).**

Most people get a reaction time like yours well they’re well rested. Which is impressive in the festive period – go you! The reason this matters is because how well you sleep has a direct correlation on your ability to react quickly and make decisions.

You’ve just taken a version of a psychomotor vigilance task. They’re a tool used by psychologists to show how a lack of sleep affects alertness.* Luckily, you’re sharp and ready for anything!

Less than six hours sleep is a really bad thing for your reactions. In the same way your body gets tired after a heavy day, affecting your ability to perform, if your brain hasn’t had the rest it needs it’s not able to make the mark.

Sometimes, a bad night’s sleep affects your reactions more than drinking. One study found sleep apnea sufferers were slower to react than participants with blood alcohol levels of 0.08 (approximately two or three drinks and the same as the UK drink-drive limit).**

Ooh-err. We know it’s the season to be jolly, but your reaction time is the same as someone who’s had a few too many drinks. You could probably do with a bit more shut-eye, because your quality of sleep has a direct bearing on your performance, reaction time and ability to make decisions.

You’ve just taken a version of a psychomotor vigilance task. They’re a tool used by psychologists to show how a lack of sleep affects alertness.* And your result could do with a bit more work.

Less than six hours sleep is a really bad thing for your reactions. In the same way your body gets tired after a heavy day, affecting your ability to perform, if your brain hasn’t had the rest it needs it’s not able to make the mark.

Sometimes, a bad night’s sleep affects your reactions more than drinking. One study found sleep apnea sufferers were slower to react than participants with blood alcohol levels of 0.08 (approximately two or three drinks and the same as the UK drink-drive limit).**

Your reactions get slower the older you get. But if you’re not in the senior bracket just yet, it might be time to cut out the late nights and get a bit more sleep – even at Christmas. The reason this matters is because how well you sleep has a direct correlation on your ability to react quickly and make decisions.

You’ve just taken a version of a psychomotor vigilance task. They’re a tool used by psychologists to show how a lack of sleep affects alertness.*

Less than six hours sleep is a really bad thing for your reactions. In the same way your body gets tired after a heavy day, affecting your ability to perform, if your brain hasn’t had the rest it needs it’s not able to make the mark.

Sometimes, a bad night’s sleep affects your reactions more than drinking. One study found sleep apnea sufferers were slower to react than participants with blood alcohol levels of 0.08 (approximately two or three drinks and the same as the UK drink-drive limit).**

Phew – have all those festive celebrations taken their toll? Your reaction time is the same as someone who’s hungover. So if you haven’t hit it hard last night, you could probably do with getting some more sleep. Sleep affects your ability to react quickly and make decisions, so it’s pretty important stuff.

You’ve just taken a version of a psychomotor vigilance task. They’re a tool used by psychologists to show how a lack of sleep affects alertness.*

Less than six hours sleep is a really bad thing for your reactions. In the same way your body gets tired after a heavy day, affecting your ability to perform, if your brain hasn’t had the rest it needs it’s not able to make the mark.

Sometimes, a bad night’s sleep affects your reactions more than drinking. One study found sleep apnea sufferers were slower to react than participants with blood alcohol levels of 0.08 (approximately two or three drinks and the same as the UK drink-drive limit).**