Tim Allen. This is the latest accepted revision, reviewed on 7 April 2017. For those of the same or a similar name, see Timothy Allen (disambiguation). Timothy Allen Dick (born June 13, 1953), known professionally as Tim Allen, is an American actor, comedian and author.
Not necessarily. Some of the symptoms of low oxygen can be shortness of breath, fast heart rate, changes in the color of the lips and fingernails, but some people will have a low oxygen level without experiencing any of these symptoms. Others may experience these symptoms without having a low oxygen level.
Low oxygen levels in the blood are referred to as hypoxemia, a condition that can make you feel unusually sleepy and may even produce intermittent bouts of confusion.Low oxygen levels in your blood can also cause shortness of breath, headaches, fluid retention and insomnia.In some cases, low oxygen levels can be fatal when sleep apnea or cardiac complications become a factor.entilation Problems. Ventilation problems in the lungs can lead to low oxygen levels in the blood especially if the alveoli in the lungs are not functioning properly. Sometimes lung ventilation is disrupted when alveolar ventilation is not working in a pattern of uniformity.