0 1 2 3 Wed 21 Jun 1972 Wed 28 Jun 1972 Wed 05 Jul 1972 Wed 12 Jul 1972 Wed 19 Jul 1972 Wed 26 Jul 1972 Wed 02 Aug 1972 Wed 09 Aug 1972 Wed 16 Aug 1972 Tue 22 Aug 1972 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