0 1 2 3 Tue 20 Jul 1971 Sun 25 Jul 1971 Fri 30 Jul 1971 Wed 04 Aug 1971 Mon 09 Aug 1971 Sat 14 Aug 1971 Thu 19 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