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)
Although commonly associated with new mothers, postnatal depression can also affect new fathers. Studies have estimated that 10% of new fathers suffer from postnatal depression, and in the UK, just over a third of new fathers are concerned about their mental health.
Depression can be triggered by something as simple as the ending of a tv programme. So don’t be surprised if you feel a bit down about the end of a series of Top Gear.
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.
Put that smartphone down - Spending too long on social networks or chat rooms can make you feel down
Believing you've slept well, even if you haven't, improves performance.
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.