0 1 2 3 Wed 07 Jul 1971 Thu 15 Jul 1971 Fri 23 Jul 1971 Sat 31 Jul 1971 Sun 08 Aug 1971 Mon 16 Aug 1971 Tue 24 Aug 1971 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