A popular science podcast recently featured a discussion on the importance of sleep for cognitive function. The host cited a study indicating that individuals who consistently get less than seven hours of sleep per night perform significantly worse on cognitive tasks compared to those who sleep more. Additionally, several guests shared personal anecdotes about the impact of sleep deprivation on their daily activities, including increased forgetfulness and difficulties concentrating.

Based on the information presented in the podcast, which of the following conclusions can be drawn?