You probably had an allergy to something your aircon spewed out, or something in your bedroom, like dust mites.
Or this could be a case of you reacting to the sudden cold air.
Already a subscriber? Log in.
Get 30% off with our ads free Premium Plan!
Cancel anytime. No ads. Auto-renewal. Unlimited access to the web and app. Personalised features. Members rewards.
Follow us on our official WhatsApp channel for breaking news alerts and key updates!