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.
For one, various sleep disturbances like loss of sleep, oversleeping, or a change in your sleep schedule are triggers for acute migraines and tension-type headaches. On the flip side, headaches that occur at night like cluster headaches can impair sleep. Finally, snoring and underlying sleep disorders can contribute to the transformation from episodic to chronic headaches. Here are some headache disorders that specifically affect or are tied to sleep: