Apart from offering the ultimate support, you need for a restful night; this topper will relieve you the stress accumulated in various body pressure points. (thebestmattresstopper.com)
Really helped me during labour although I wouldn't say it was a trippy experience lol (had to be monitored etc) it gave me strength to resist pressure of interventions e.g. epidural and have confidence and faith in my body (amazon.co.uk)
Kids sink into them and get extra body pressure which can be calming. (heymommies.com)