Naps are not inherently bad for you and in fact some research shows that they can be beneficial to your brain functioning. However, if you are exhausted you most likely lapse right into dreaming when you start your nap. Jeff and Mary put the kids to bed and settle down for the night to watch television.
Anxiety, in this study, was a special type of anxiety sometimes referred to as FOMO or fear of missing out. Czeisler, "The Sleep and Technology Use of Americans: Findings from the National Sleep Foundation's 2011 Sleep in America Poll," Journal of Clinical Sleep Medicine 9, no.
Our measure asked about how anxious you get when you do not have your phone or cannot access the Internet and also a personal assessment of how dependent you are on technology.
The impact on sleep of FOMO -- anxiety about missing out on technology use, particularly communication-based technologies like email, texts, social media, etc.
-- was pronounced in our study (and has been shown to be a strong predictor of problematic behavior in other studies).
If we know that we are not making good decisions about using technology prior to bedtime that is the first step to being metacognitive; if we can make behavioral changes that is even better.