Decreased alertness

1. Alpha waves vs. beta waves (Nootropic Key Ideas)
2. Anxiolytics vs. sedatives (Nootropic Key Ideas)
3. Brain waves synchronization vs. desynchronization (Nootropic Key Ideas)
4. Circadian Rhythm vs. Ultradian Rhythm (Neuroscience Tips)
5. Dopamine vs. Noradrenaline (Neuroscience Tips)
6. Hypersomnia vs Insomnia (Sleep Disorder Telehealth Tips)