Please choose the correct ending to complete the given sentence: Youth: [header] How to mentally prepare yourself for school [title] Make sure you're well rested. [step] Though some people require less rest than others, sleep deprivation has a significant negative impact on performance, memory, and emotional state. Never allow pride at how little you sleep interfere with your needs.

Ending1: Always wake up around the same time every day and make sure you're always going to bed feeling refreshed after a late night of studying. [substeps] Not sleeping will also affect your performance on the test day. Ending2: Remember, talking about being tired and hungry will get negative information spread around and ruin your grades. [substeps] Make sure you're not hungry before before bed to help you sleep better. Ending3: Studies have shown that less sleep makes you more susceptible to the inconsistency, anxiety, and depression associated with being on the clock. [substeps] In this group of individuals, not getting enough sleep can make you more exhausted and decrease your quality of sleep. Ending4: [substeps] Sleep deprivation can increase your stress and lead to a panic response or bad attitude, both of which can hurt your in-class performance. Insufficient sleep can also interfere with your memory formation and the positive effects of learning.

Answer format: ending1/ending2/ending3/ending4