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?
Sleep spindle. A sleep spindle is a burst of oscillatory brain activity visible on an EEG that occurs during stage 2 sleep. It consists of 12â14 Hz waves that occur for at least 0.5 seconds.[1][2] Sleep spindles are generated in the reticular nucleus of the thalamus.