The effects
• insomnia
• difficulty falling asleep
• frequent night waking
• waking up too early
• restless legs
• ‘weird’ or ‘vivid’ dreams
• nightmares
• night terrors
• sleep talking, sleep walking
• sleep apnoea
Which food chemicals?
Reactions to food chemicals are a pharmacological - or food intolerance - reaction, not an allergic reaction to the proteins in foods.
The foods and food chemicals that can be associated with sleep disturbance include:
· Artificial colours, natural colour annatto, preservatives, synthetic antioxidants, flavour enhancers and flavours (more details below)
· Naturally occurring chemicals called salicylates, amines and glutamates
· Dairy foods are less likely to be a problem than additives and salicylates although dairy foods as well as the food chemicals above may be strongly implicated with stuffy/runny nose, snoring and sleep apnoea
· Wheat or gluten are less commonly a problem. However, wholegrain wheat in products such as wholemeal bread and cereals such as Weetbix are likely to be more of a problem than refined wheat products
· Sleep disturbance can also be the unintended side effects of the additives or active ingredients in medications, dental products and supplements.
· Some people are affected by VOCs – Volatile Organic Compounds – such as perfumes, fragranced toiletries e.g. hairspray and airfreshener, pesticides, household cleaners, renovation chemicals and especially chemicals such as flame retardants in new mattresses and pillows
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