Welcome to the MicroTim â¢ Altimeter Website !! Why use a MicroTim Precision Digital Barometric Altimeter / Barometer / VSI? MicroTim is FASTER and MORE ACCURATE than any typical GPS unit or wristwatch altimeter. Â· Lightweight and portable. Easily moves from truck to backpack to recreational vehicle. Dimensions 3âx1.5âx3/4â. Weighs less than 2 oz. Â· Large Display (3/8â tall numbers).
This type of headache occurs while sleeping and is also referred to as alarm clock headaches because they occur at the same time every night. Causes range from changes in small vessels in the cerebrovascular system to previous head injuries. This type of headache is more common in people over the age of 50.
There are other causes of nighttime headaches and some of them are serious. Sleep apnea is a serious problem that causes headaches during sleep. A machine may be indicated to check your sleep habits. Sleep apnea is a dangerous problem if left untreated. Another cause of nighttime headaches is an inflammation of the arteries in the head. This is a serious problem that could lead to stroke.