Each piece of baggage in excess of the free baggage allowance specified above that is not in excess of 62 inches (L+W+H) and 50 lbs. or less will be accepted for a charge of $75.00 per item one-way.
Best Answer: The standard is 10 to 12 hours a night. This is normally what birds sleep...seasonally a little more or less, depending on daylight hours. Most birds sleep when it is dark. In the wild, dark means danger.
As the night progresses, individuals spend increasingly more time in REM sleep and correspondingly less time in deep sleep. How long is a sleep cycle? The first sleep cycle takes about 90 minutes. After that, they average between 100 to 120 minutes. Typically, an individual will go through four to five sleep cycles a night. What Is Deep Sleep? Stages 3 and 4 are referred to as deep sleep, slow wave sleep, or delta sleep.