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Whether it is a Saturday afternoon when the the rest of the world is running errands or a random weekday at work, go ahead and enjoy a siesta (or close your door and rest your head on your desk!). You can lull yourself to sleep by looking at cheap guitars online, too.
Napping can improve productivity by enhancing our concentration and attentiveness. Just keep your snooze to 30 minutes or less – any longer and your body moves into a deep-sleep stage, which means you will wake up groggy.