0 1 2 3 Fri 18 Jul 1980 Wed 23 Jul 1980 Mon 28 Jul 1980 Sat 02 Aug 1980 Thu 07 Aug 1980 Tue 12 Aug 1980 Sun 17 Aug 1980 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All