“Tests conducted for a new BBC (UK) television program entitled Get Smarter in a Week suggest that by healthy eating, physical activity, sound sleep and stimulating your mind with mental exercises, (such as playing Sudoku, remembering telephone numbers and taking a shower with your eyes closed) we can all get smarter by up to 40 per cent within seven days, not to mention be more confident and have better decision-making skills.”

Some of friends says if the music plays when they go sleep, they wake up tired. I can try some of these, but to close the eyes taking a shower…nahh
Source: gizmag.co.uk
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