getting enough sleep is important. for example, because this is the time when skin works especially hard at repairing itself Lack of it leaves skin looking dull If you're suffering from insomnia the chances are that stress is a significant factor. Whereas happiness makes skin glow, stress ma kin show the worst side of its nature. Spots, pimples. eczema, biotchiness and flakiness these are just some of the stress symptoms you may in your skin