0 1 2 3 Sun 01 Dec 1968 Fri 06 Dec 1968 Wed 11 Dec 1968 Mon 16 Dec 1968 Sat 21 Dec 1968 Thu 26 Dec 1968 Tue 31 Dec 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