how to study when u dont want too...feeling demotivated

struggling to sta focused wasting time watching youtube exam is in a month and im tired and burnt out at this point...i study few days loose momentum than waste few days...i lack stamina and i cant study for so many hrs i get tired and zoned out any tips guidance..just wanted to rant here ...feel lonely in this journey as an img i know this exam is imp but it seems like im to tired at this point to care....anyone else giving exam in march and just wanna cry together ......