Kate Lawler has been candid about the highs and lows of motherhood since welcoming her adorable daughter Noa in February.The 40 year old Big Brother star has now revealed to fans that she and fiancé Martin, who she nicknames Boj, have hired a night nanny as a result of sleep deprivation. A night nanny, also known as a night doula, is tasked with monitoring the newborn throughout the night to help the parents get more sleep.