Yes, you can safely sleep in a room where you applied Diatomaceous Earth once it has settled.
We recommend that your dog not be present during the application of Organic Diatomaceous Earth and until the dust settles. It is suggested to apply in areas that are inaccessible to pets. If your dog has licked the product and you notice any sudden changes in health/behavior, contact your local vet for treatment advice. You should refer to the MSDS for more safety information.
Organic Diatomaceous Earth and does not have specific labeling for mites such as spider or russet mites. DE is a dry powder and will be removed with rain or watering on treated plants. While the dust could potentially kill insects contacted with the dust, it can take many days for insects to die from diatomaceous earth, so it is likely that you would not get the results you desire. Monterey Fruit Tree Spray Plus is a popular product for spider mites and similar insects on edible plants. Avid is one of our most popular miticides for ornamentals.