0 1 2 3 Tue 20 Dec 1966 Fri 23 Dec 1966 Mon 26 Dec 1966 Thu 29 Dec 1966 Sun 01 Jan 1967 Wed 04 Jan 1967 Sat 07 Jan 1967 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