0 1 2 3 Fri 20 Jul 1973 Mon 23 Jul 1973 Thu 26 Jul 1973 Sun 29 Jul 1973 Wed 01 Aug 1973 Sat 04 Aug 1973 Tue 07 Aug 1973 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