Subtitles section Play video Print subtitles Hey sector yours. How are you all doing? Good? No. Well from the title of this video I wish or some of you are going to say you haven't been feeling your best lately, you've perhaps been feeling depressed recently and aren't quite sure why or you're just not in a good mood lately. Maybe you have a hunch as to why or maybe you think it's a few little things here and there. We all have our reasons. But do you know there are some weird little things that can change your mood for the worse. For example, how can cat videos cause you to feel sad or leaving your sunglasses at home on a sunny day? Weird things can affect your mood. These small things could just be making you feel a bit down lately. So here's why number one you're around blue light before bed. Do you get on your tablet or a phone right before bed. Do you let the calming meows. If cat videos put you to sleep? Well that's enough. No more cat videos. Actually, it's not the cats that are bad for you, but the blue light emitted from your screen that could be ever heard of our circadian rhythm. It's the internal clock. We all have that influences how alert we are. Our melatonin secretion and cortisol. It affects our behavior and changes within a 24 hour cycle. So blue light slows the release of melatonin and messes up your circadian rhythm. This can make it much more difficult to fall asleep because our brain releases more melatonin before bed during the dark hours of the evening. So using your phone, computer or watching tv can cause you to have difficulty falling asleep according to Webmd. Poor sleep is linked to health problems like high blood pressure, obesity, depression, type two, diabetes, heart disease and even some kinds of cancer circadian rhythms have also been known to affect someone's limbic system. This part of the brain establishes emotional states and responses so poor sleep can negatively affect our mood in this way as well. The good news is, most phones have a night mode option that reduces the blue light and goes for more of an orange tint. But some experts say this might not be enough. So it's best to opt for a good book instead of those cute blue light kittens from your phone screen number two, you're not getting enough sunlight. Do you get enough sunlight or do you spend most of your days indoors? You may say to yourself, but I'm away from that blue light. I don't watch tv videos or play games that often. Well congrats but not entirely because even though blue light isn't always your friend natural sunlight is our circadian rhythm can still get disrupted without enough sunlight. The less you receive, the more your body releases hormones that will make you feel lethargic. You want to feel sleepy at night, not during the day. People often experience seasonal effective disorder because of the lack of sunlight during the shorter and darker days of the year. What does this mean? Likely more feelings of tiredness and loss of interest in the things you once enjoyed. So when spring and summer comes around, they'll usually feel a lot better because of that good old sunlight. Number three, you're scrolling through social media too often. How often do you scroll through your social media feed per day, 30 minutes an hour to four? Well this could have you comparing those perfectly staged or posed photos of your friends to yourself in reality and people in reality aren't always seen at their best angle. In an article for men's health psychologist C Matthew Nichols PhD suggest this is due to often viewing impression management images. These are photos that are set up to be in perfect lighting situations and poses so that everyone looks their best. Also people tend to use filters every now and then too, so it might leave you comparing yourself to impossible standards which can take a toll on your mood. Number four, you're experiencing situational depression, has a tragedy or unfortunate event recently occurred in your life. Do you think you're experiencing situational depression? A lot of people go through situational depression at least once in their lives. This can occur when there's a divorce or breakup, a loss of someone in your life, loss of a job, fights with family or loved ones, retirement, having a baby accidents moving if you're not used to feeling depressed. These feelings that come with situational depression can be extremely new to you. Some symptoms of situational depression are low self esteem feeling hopeless, sad, tearful, irritable, having no motivation, losing interest in things and having trouble making decisions to name just a few. It's best to seek professional help or consult with a doctor. If these depressive feelings or symptoms persist and number five, you're in the sun without sunglasses, here's a weird cause. Have you been out in the sun all day and find yourself in a constant frown? But then that frown gets to you. You suddenly find yourself angry, upset or sad. Maybe you're just not feeling it today. Well, did you forget your sunglasses while there are a lot of things that can cause you to feel sad? A weird one is simply not wearing sunglasses while out on a sunny day, that intense sun often forces one to squint their eyes and face and be locked in a frown for the duration of their time outside. This can actually cause feelings of aggression or anger to occur. If you hold this facial expression according to a 2013 research study published in the journal cognition and emotion. The study states in line with data showing that experimental and unobtrusively induced facial and body displays facilitate congruent feelings. We found that participants walking against the sun without sunglasses scored higher in a self report measure of anger and aggression compared to those walking with the sun behind and or wearing sunglasses. So for those weird days where you're just feeling a bit out of the mood than usual, it's best to perhaps bring those sunglasses and smile in the mirror each morning. Does that actually work? I heard it works. Maybe not for everybody, but hey, some days it's worth a shot. So do you think something weird is causing you to feel sad lately? Feel free to share with us how you're feeling in the comments down below? Or do you think it's something more serious? Do you think you have situational depression, depression or another disorder that's causing these feelings? It's best not to self diagnose and talk to a medical professional about how you're feeling. There are some treatments that may be able to help you. 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