Why nights shifts mess with your brain, how astronauts will cope with the time difference on Mars, and the power of frozen grapes when you need a boost. Join medical students Laura, Ryhan, Declan, and newly qualified doctor Chidera as we figure out how to survive the night shift. Featuring a guest interview with NASA researcher Erin, leader of the Fatigue Countermeasures Group. As a student, you may work late but (in the UK) it is unlikely you stay in hospital overnight unless you expressly seek out to do so. So how do you adjust and prepare for night shifts as a new doc? Tell us what you think about the episode and your ideas for topics to cover later in the series using #SharpScratch on Facebook, Twitter or Instagram Leave a review and let us know on social media by tagging BMJ Student and including your reviewer username to be in with a chance to win a free subscription to OnExamination - BMJ’s question bank for medical exams.

For more on the podcast, including how to follow Laura, Declan, Ryhan and Chidera on social media, visit https://www.bmj.com/sharpscratch