HALO Bassinets Swivel Sleeper: Safer for Baby. Easier for You. The HALO Bassinets Swivel Sleeper is the only bassinet that rotates 360 degrees for the ultimate in convenience and safety. Now your little one can sleep as close as you like, while still safely in his own separate sleep area, reducing the risks associated with bed-sharing. in addition to bringing baby close, it swivels to make getting in and out of bed hassle-free. This kit includes the newborn cuddle insert.