summarize FIVE (5) scholarly sources that are relevant to "Does lack of sleep affect impulsivity?"

For each source, provide:

1. annotated bibilograpgy APA Style citation
2. A short summary of the article that is NOT just copied/pasted from the Abstract
   1. i.e., summarize the article
3. A brief explanation of how you know this is a scholarly source (and that it's NOT gray literature) AND at least 1 sentence describing why you think this source will be helpful for your paper (e.g., is this a classic study about the topic, did they do a similar experiment, is this a way to find other relevant sources, etc.)