ECG	Electrocardiography/Electrocardiogram
BCG	Ballistocardiography/Ballistocardiogram
ACC	Accelerometer
RIP	Respiratory Inductive Plethysmography
EDA	Electrodermal Activity
PPG	Photoplethysmography/Photoplethysmogram
REM	Rapid Eye Movement
NREM	Non-Rapid Eye Movement
R&K	Rechtschaffen and Kales
AASM	American Academy of Sleep Medicine
HBI	Heart Beat Interval
RRI	R-R Interval
PPI	Pulse Peak Interval
HRV	Heart Rate Variability
PRV	Pulse Rate Variability
RRV	Respiratory Rate Variability
HR	Heart Rate
RR	Respiratory Rate
PTT	Pulse Transit Time
EDR	ECG-Derived Respiration
LED	Light Emitting Diode
IoT	Internet of Things
OSA	Obstructive Sleep Apnoea
SDB	Sleep Disordered Breathing
PLMS	Periodic Limb Movements of Sleep