The term neighborhood has many meanings and uses. For example, neighborhood can be used to refer to the small group of houses in the immediate vicinity of one's house or to a larger area with similar housing types and market values.he term neighborhood has many meanings and uses. For example, neighborhood can be used to refer to the small group of houses in the immediate vicinity of one's house or to a larger area with similar housing types and market values.
1 doctor weighed in: What causes headaches during sleep? 1 doctor weighed in Want a second opinion? Could be a variety of causes- grinding your teeth in your sleep, what you might have eaten or activities during the day, neck posture on your pillow/pillows, Do you get headaches any other time? If this is repetitive, see a Dr. and hopefully determine the triggers. Would you like to video or text chat with me?
The first REM sleep period usually occurs about 70 to 90 minutes after we fall asleep. A complete sleep cycle takes 90 to 110 minutes on average. The first sleep cycles each night contain relatively short REM periods and long periods of deep sleep.