Daily Star's biggest headlines straight to your inbox!A sleep calculator is helping people wake up refreshed by telling them the exact time they need to go to bed.Do you ever hit the sack ridiculously early then feel even more tired in the morning?Well, you might be doing it wrong.Don't just think by getting more hours of sleep, you'll be more refreshed in the office the next day.
Apparently it's a bit more complicated than that. But, luckily for us, someone has created a 'sleep calculator', being used on home decor site Hillarys, so we can work out when we need to go to bed with the click of a button.Apparently, it's all to do with sleep cycles rather than getting more hours of sleep.
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