Mouthguard intervention, heart rate variability and sleep response data

Date = night of sleep data collection, MGYN = mouthguard wear Yes or No, MGSET = mouthguard setting (0x, 4x, 6x), RRMEANL = Mean of R-R Intervals in Light sleep, RRSTDEVL = Standard Deviation of R-R Intervals in Light sleep, RRMEAND = Mean of R-R Intervals in Deep sleep, RRSTDEVD = Standard Deviation of R-R Intervals in Deep sleep, RRMEANR = Mean of R-R Intervals in REM sleep, RRSTDEVR = Standard Deviation of R-R Intervals in REM sleep, RRMEANW = Mean of R-R Intervals in Wake, RRSTDEVW = Standard Deviation of R-R Intervals in Wake, RRMEANC = Mean of R-R Intervals combined across entire night, RRSTDEVC = Standard Deviation of R-R Intervals combined across entire night, NOMG = No mouthguard wear, MG0x = mouthguard worn at MG0x, MG4x = mouthguard worn at MG4x, MG6x = mouthguard worn at MG6x, HRSLEEP = number of hours of sleep, TPERWAKE = Percent time in Wake when night truncated at 6 am, TPERLIGHT = Percent time in Light sleep when night truncated at 6 am, TPERDEEP = Percent time in Deep sleep when night truncated at 6 am, TPERREM = Percent time in REM sleep when night truncated at 6 am, NIGHT = Night in the study time-course, DAY = Day of the week, DAYCODE = numerical code for day of the week, DAYSUNDAY, DAYMONDAY, etc. = contrast data codes, NA = missing data.