A period of quiet breathing, followed by a period of generalised movement, as seen by the haphazard traces from the respiratory inductance plethysmography (RIP) and abdominal capsule. A period of quiet breathing, followed by a period of generalised movement, as seen by the haphazard traces from the respiratory inductance plethysmography (RIP) and abdominal capsule. Dotted horizontal line denotes set positive end expiratory pressure (PEEP) (7 cm H2O). It is not clear whether the infant is breathing while moving. SiPAP pressure peaks become irregular with a wandering baseline, desaturation occurs. L S Owen et al. Arch Dis Child Fetal Neonatal Ed 2015;100:F24-F30 Copyright © BMJ Publishing Group Ltd & Royal College of Paediatrics and Child Health. All rights reserved.