The most commonly reported symptom of excessive exposure to wireless radiation and EMF (electromagnetic fields) is sleep disturbance (insomnia): 

The Real Reason Electronics Are Affecting Our Sleep

The Real Reason Electronics Are Affecting Our Sleep - Part II

Creating a Healthy Sleep Environment (Video)

My articles and videos on wireless and EMF safety:

Understanding EMF and Wireless Safety

Wireless Safety Card

A Letter to Schools about Wireless

CNN’s Morgan Spurlock: Inside Man on Toxins

Select EMF and Wireless Safety Videos

Wireless radiation and EMF (electromagnetic fields) have emerged as an important risk factor for autism:

The Emerging Link between Wireless and Autism

Wireless: A key piece of the autism puzzle

Simplifying Autism: Removing Barriers

Ending Autism in Your Home and in the World

Join the Facebook Group Autism and EMF.