Modem, short for modulator-demodulator is an electronic device that converts a computer's digital signals into specific frequencies to travel over telephone or cable television lines. At the destination, the receiving modem demodulates the frequencies back into digital data. Computers use ...
This is an umbrella term for any significant departure from the normal sleep-walking cycle.
Short sleepers lack difficulty falling asleep and without symptoms such as fatigue, intermittent wakefulness, concentration problems or irritability. Jet lag ...
