[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-3959":3},{"preview":4,"open":14,"missing":35},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":17,"access":18,"updated":19,"previous_id":20,"next_id":21,"previous":22,"next":26,"first":30},3959,73,84,"C2","use_of_english","open_cloze","uoe_open_cloze","The Science of Sleep","the-science-of-sleep",null,"Despite decades of research, the precise function of sleep remains one of the most enduring mysteries in all (0) OF neuroscience. What is beyond doubt is that sleep deprivation has devastating effects on both physical and mental health - effects that can manifest after (1) .......... little as a single night of poor…",[],"login","pro","2026-10-02T14:14:49",3958,3960,{"id":20,"number":23,"title":24,"slug":25},72,"The Myth of Multitasking","the-myth-of-multitasking",{"id":21,"number":27,"title":28,"slug":29},74,"The Limits of Language","the-limits-of-language",{"id":31,"number":32,"title":33,"slug":34},3887,1,"Narrative Resilience","narrative-resilience",false]