Is this is a common situation with you too view your audience interested in your talks and when you start and also when you are in the middle of your speech and then you find the audience losing interest in you and your talks and feel boring.
If the answer is yes understand why is this happening?
Find out the reasons why your audience, is it because you are too slow.. Check this out. Research has shown that the human mind has the ability to comprehend words that come at us at up to 600 words per minute. The problem here is that you and I talk at a rate of 120-200 words per minute.
The attention of the audience needs to be grabbed after every 6 mins is what the research says! An easy way grabbing the attention is by saying that they are gonna wrap up the speech. This may not be a technique that you want to use all the time. However, at least now you'll have it in your back pocket to use if you need it.
By realizing that your audience will start to drift off during your speech and taking steps to keep them onboard, you can become a much more effective speaker. This means that you will need to map out your speech and make sure that you include the spicy parts that will wake up your audience and make them hungry for more of what you are serving...