Infant sleep positioning device

An infant sleep positioning device for retrofit attachment to a support structure having opposed sides and an underlying support surface extending between the opposed sides, said positioning device being adapted to maintain an infant in a back sleeping position upon the underlying support surface and comprising:

• an elongate belt member defining opposed ends, said belt member being sized to be extensible along the support surface between the opposed sides of the support structure;
• a pair of fastener straps attached to the belt member adjacent respective ones of the opposed ends thereof for attaching the belt member to respective ones of the opposed sides of the support structure;
• a first attachment member disposed on said belt member substantially intermediate the opposed ends thereof;
• and
• a diaper member sized and configured to be wrapped about the pelvic region of the infant and including a second attachment member disposed thereon which is positioned over the buttocks of the infant when the diaper member is wrapped about the pelvic region;
• said second attachment member being releasably engageable to the first attachment member for purposes of maintaining the back of the infant upon the support surface.