4 ms·Could the 4 hours of daily sleep have any relation to the constant headache you faced then?by nopinsight 16y agoCould the 4 hours of daily sleep have any relation to the constant headache you faced then?Swizec 16y agoYes, very likely, however there were no other indications of sleep deprivation.code_duck 16y agoHolding your breath for several minutes at a time can't really help...