0 1 2 3 Tue 23 Jul 1968 Wed 07 Aug 1968 Thu 22 Aug 1968 Fri 06 Sep 1968 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