Originally Posted by Velodiva
The Stoker Perspective: It was quite an experience! Next year we will probably overnight at lower altitude - Truckee, CA is at 5900 ft - the myth(?) being circulated is that it is best to overnight at lower altitude and then just head up to Sattley and race before your body adjusts. (That is, of course, assuming that you don't have the luxury of fully acclimating to the altitude.)
Sleeping at lower altitude can help. Your body has to work harder to get oxygen at the higher altitude.
Altitude insomnia
Altitude insomnia is an acute insomnia that occurs when people go to higher altitudes. Usually accompanied by headaches, loss of appetite, and fatigue. Twenty-five percent of individuals who go from sea level to 2,000 meters will have some symptoms. Also called Acute mountain sickness, Acosta’s disease, Alpine sickness, and hypobaropathie.
I was surprised that they say the effect can occur at 6k'. We always used 8k' as the cut off altitude and I have a number of times I have been able to test that. However I have not had the opportunity to experience a sea level to 6k sleep