From muscle paralysis and sleepwalking, to the power of our subconscious, Dr Sutapa Mukherjee takes you into the secret world of sleep

When Ray Kelly Snr's grandfather was asked to translate "telephone" into Gumbayngirr, he responded with “muuya barrigi”, or flying breath (CW: Aboriginal and Torres Strait Islander listeners please be advised this program contains discussion of people who have died. Please take care when listening)