After a good night of sleep, sleep strengthening episodic memory by improving memory and performance. However, different stages of sleep are more helpful than others. Since there are lacking evidences of whether REM or SWS is more essential to episodic memory, researchers suggested that SWS stores new memories into the pre-existing storage and REM secure the memories. The flaws and limitations are present in these studies are the contrasting amount of early sleep stage, late sleep stage, and hormones.
Without sleep, it would affect the semantic memory by lowering in reaction, unable to hold ideas that are stored, having a difficult time to recall materials that were taught a day before. In one study, they had proposed that REM sleep is crucial
Without sleep, it would affect the semantic memory by lowering in reaction, unable to hold ideas that are stored, having a difficult time to recall materials that were taught a day before. In one study, they had proposed that REM sleep is crucial