Cortical State Control
REM SLEEP
Live Bio-Telemetry
ACTIVE LOGGING
Heart Rate (ECG)
6 BPM
Extreme Bradycardia
Arterial O2 Saturation
82 %
Depleting Storage
Current Depth
140 m
Drift Dive Phase
Apnea Timer
520 s
Breath Hold
Time-Lapse Speed Scrub:
10x Speed
Physiological Mechanisms
During REM sleep, seals experience muscle atonia (paralysis). Buoyancy shifts cause them to turn belly-up and drift in a gentle spiral corkscrew path down to hundreds of meters while conserving metabolic oxygen.