phys_org Incentives to sleep boost college students’ grades, new study finds mforghan August 4, 2026 A study published in the Journal of Political Economy provides the first causal evidence that improving sleep can directly enhance academic performance. Post navigation Previous: ببینید | اعتراف جنجالی کارلسون: ترامپ منافع اسرائیل را به آمریکا ترجیح دادNext: موتورسواران در آستانه یک تغییر بزرگ Related Stories phys_org This summer isn’t breaking heat records—yet. Wait until El Nino kicks in, scientists say mforghan August 5, 2026 phys_org Social influence can help tackle climate change mforghan August 5, 2026 phys_org Lemurs fall prey to human herpes virus mforghan August 5, 2026