Not getting enough sleep can impair your cognitive abilities, and this will show up in your work sooner or later, reports Forbes.

When my clients come to me feeling frazzled and burnt out, the first thing I ask them is how much sleep they’re getting each night. Science has proven that seven to nine hours is the optimal amount of sleep needed for the average adult. If you’re not regularly getting enough sleep, you’ll undoubtedly experience the effects of sleep deprivation, impacting your health, sanity, and performance at work.

Do I have your attention yet? Are you still awake?

Here are five hacks to help you get better sleep and better performance at work.