Our sleepiest times of day are 2am and 2pm. This excuse may not work on your boss though, if you decide to take a quick snooze at work!

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Here you can find some interesting stats and facts about all kinds of common problems. News to you? It’ll probably be news to your mates too. Share now on Facebook and Twitter to give them a Heads Up! (See what we did there? #dadjokes)

Believing you've slept well, even if you haven't, improves performance.

When you're worried, you really do get cold feet! This is your body's fight or flight response, where it relocates the blood flow to protect your vital organs.

SAD syndrome - Seasonal affective disorder-)is when you feel down in the winter months.

Did you know that a lot of well-known celebrities suffer from OCD? Daniel Radcliffe, David Beckham, Leonardo Dicaprio and Justin Timberlake to name a few!

Put that smartphone down - Spending too long on social networks or chat rooms can make you feel down

Ever felt a bit sad after sex? It’s a real thing! Men can feel down for up to six hours after orgasm because the emotional part of the brain that has no part in the orgasm rebounds heavily afterwards.