Numerous sleep experts highlight the benefits of improved alertness and concentration following a 20-30 minute power nap. My challenge has always been that I seem to wake up after the nap - drowsy and anything but alert. Apparently, this is because I drop off into “deep sleep” rather than staying in a “light sleep” phase. This causes me to wake with Sleep Inertia. I've found a great app to help with my naps - not surprisingly it’s called Sleep Cycle Power Nap and costs $2.49. This smart app uses the accelerometer in your smart phone to monitor your sleep pattern and wakes you while you’re still in the light sleep mode - stopping you from dropping into deep sleep. You simply put your phone in your pocket (or I place it on the chair, bed, lounge, etc in contact with my body). I've found that it...

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